Watch case



FIG. 1 is a first perspective view of a watch case showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is an exploded view of the watch case thereof.

The broken lines shown in the drawings depict portions of the watch case that form no part of the claimed design. 

CLAIM The ornamental design for a watch case, as shown and described. 